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// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_OUTPUT_GEOMETRY_BINDING_H_
#define CC_OUTPUT_GEOMETRY_BINDING_H_
#include "base/basictypes.h"
namespace gfx { class RectF; }
namespace blink { class WebGraphicsContext3D; }
namespace cc {
class GeometryBinding {
public:
GeometryBinding(blink::WebGraphicsContext3D* context,
const gfx::RectF& quad_vertex_rect);
~GeometryBinding();
void PrepareForDraw();
// All layer shaders share the same attribute locations for the vertex
// positions and texture coordinates. This allows switching shaders without
// rebinding attribute arrays.
static int PositionAttribLocation() { return 0; }
static int TexCoordAttribLocation() { return 1; }
static int TriangleIndexAttribLocation() { return 2; }
private:
blink::WebGraphicsContext3D* context_;
unsigned quad_vertices_vbo_;
unsigned quad_elements_vbo_;
DISALLOW_COPY_AND_ASSIGN(GeometryBinding);
};
} // namespace cc
#endif // CC_OUTPUT_GEOMETRY_BINDING_H_
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